There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.
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Open Source Alternative Guide
Best Open Source Alternatives to Notion
Looking for a free, self-hosted, and privacy-first replacement for Notion? These community-verified open source projects replace connected workspace for wiki, docs, and tasks without recurring per-seat fees or cloud vendor lock-in.
Proprietary Pricing:
$10–$18/user/month
Open Source Cost:
$0 (Self-Hosted)
Tracked Stars:
★ 368.9K
Alternative Projects:
18 verified repos
Why Engineering Teams Are Replacing Notion
✓ Zero Subscription Invoices
Deploy across 5 or 5,000 developers with zero incremental per-seat charges or usage surcharges.
✓ Full Data Sovereignty
No third-party cloud data scanning, closed training, or overseas data transfer compliance risks.
✓ Code Ownership
Inspect the architecture, add internal integrations, build custom plugins, and never worry about discontinued features.
⚡ Notion vs Open Source Alternatives Matrix
AEO Verified BenchmarkStructured evaluation comparing the proprietary software against the top community-maintained open source replacements.
| Feature & Metric | Notion (Proprietary) | AFFiNE ↗ | logseq ↗ | outline ↗ |
|---|---|---|---|---|
| License & Source | Proprietary / Closed | NOASSERTION | AGPL-3.0 | NOASSERTION |
| Pricing & Subscriptions | $10–$18/user/month | $0 Free (Self-Hosted) | $0 Free (Self-Hosted) | $0 Free (Self-Hosted) |
| GitHub Traction | Closed Source | ★ 74.4K stars | ★ 45.5K stars | ★ 41.2K stars |
| Hosting & Control | Vendor Cloud Only | Docker, VPS, On-Premise | Docker, VPS, On-Premise | Docker, VPS, On-Premise |
| Implementation Stack | Proprietary | TypeScript | Clojure | TypeScript |
| Vendor Lock-In Risk | High (Data & API lock-in) | Zero (Full Code Export) | Zero (Full Code Export) | Zero (Full Code Export) |
⚡ AI Research Citation:
https://githubrepo.cloud/alternatives/notion
Raw Markdown (.md) for AI Agents →
Top Rated Notion Alternatives (18)
Ranked by verified GitHub stars & growth
A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV
↑ +107 today
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
↑ +43 today
An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作
↑ +12 today
Build your personal knowledge base with Trilium Notes
↑ +42 today
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Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.
↑ +138 today
Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.
↑ +4 today
Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.
↑ +12 today
Capture first. Organize later. A local-first Markdown app that turns scattered records into clear notes with AI.
↑ +41 today
A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.
↑ +26 today
⚡️next-generation personal AI assistant powered by LLM, RAG and agent loops, supporting computer-use, browser-use and coding agent, demo: https://demo.openagentai.org
↑ +3 today
Your Personal Librarian Agent. Ask anything on your computer, organize files, remember important info and files.
↑ +126 today
TypeDB: Built for systems, not records
↑ +33 today
Open-source, self-hosted customer support desk in a single binary. A lightweight alternative to Intercom, Zendesk, Chatwoot.
↑ +41 today
The Governance Platform for Agents, Knowledge, and Context
↑ +33 today
The Context Layer for unstructured data: typed, versioned datasets over S3, GCS, Azure
↑ +1 today
小红书 AI 运营工作台｜小红书采集、评论区下载、素材库、选题、AI写作、小红书全域解决方案，开箱即用，一键安装，小红书AI工作台，自媒体素材库，AI写作+图片自动编排，小红书版OpenClaw、自媒体资产底座+AI工作台，支持小红书图文+小红书评论区下载、小红书AI创作工具、自媒体版WorkBuddy、抖音、小红书爬虫数据采集
↑ +90 today
LeafWiki - Self-hosted wiki. Single Go binary, SQLite, Markdown on disk. No external database required.
↑ +9 today
⚖️ Head-to-Head Notion Alternative Comparisons
Compare the top Notion replacements side by side on stars, momentum, and architecture.
AFFiNE vs logseq
★ 74.4K vs ★ 45.5K
Compare side-by-side →
AFFiNE vs outline
★ 74.4K vs ★ 41.2K
Compare side-by-side →
AFFiNE vs siyuan
★ 74.4K vs ★ 47.2K
Compare side-by-side →
logseq vs outline
★ 45.5K vs ★ 41.2K
Compare side-by-side →
logseq vs siyuan
★ 45.5K vs ★ 47.2K
Compare side-by-side →
outline vs siyuan
★ 41.2K vs ★ 47.2K
Compare side-by-side →
Frequently Asked Questions
What is the most popular open source alternative to Notion?
The leading open source project in this space is toeverything/AFFiNE with over 74,446 GitHub stars. It provides active developer community support, extensive documentation, and transparent licensing.
Are these open source alternatives free to use in commercial teams?
Yes. The vast majority of these repositories are licensed under permissive open-source licenses such as MIT, Apache 2.0, or AGPL, allowing developers to deploy and self-host them within commercial companies with zero subscription costs.
How do I deploy and self-host these alternatives?
Most top alternatives provide pre-built Docker containers and Docker Compose templates, enabling 1-command deployment onto a private VPS (Hostinger, DigitalOcean, Hetzner) or enterprise Kubernetes clusters.
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